brave

brave new world

used to refer, often ironically, to a new and hopeful period in history resulting from major changes in society

美好的新世界（指社会大变动后出现的使人满怀希望的新时期，常含有讽刺意味）

&B{the brave new world of} the health care market.

保健市场这个大有可为的新天地。